Games played since 2014 year by Shin-ichi Ishitani (Fuji, Japan) in this fuseki

425
1
3
4bw
+1 
=  
-21
?  

1Ishitani Shin-ichi - Nishida Toshio
2Ishitani Shin-ichi - Koyama Jun
3Fujita Yudai - Ishitani Shin-ichi
4Ishitani Shin-ichi - Koyama Jun